242 



EEPTILIA. 



sydenensis, Dawson, 1868, Acad. Geol., 

 Coal Meas. [Ety. proper name.] 



unguifer, Dawson, 1872, Geo. Mag., vol. 

 9, Coal Meas. [Sig. claw-bearing; 

 from the peculiar appendages to the 

 hind foot.] 

 Spheeopezium, King, 1845, Am. Jour. Sci., 

 vol. 48. [Ety. sphaira, sphere; pezia, 

 sole of the foot] 



leptodactylum. King, 1845, Am. Jour. 

 Sci., vol.48. Coal Meas. [Sig. slender- 

 fingered or slender-toed.] 



ovoidactylum, King, 1845, Am. Jour. Sci., 

 vol. 48, Coal Meas. [Sig. having egg- 

 shaped toes.] 



pachydactylum. King, 1845, Am. Jour. 

 Sci., vol. 48, Coal Meas. [Sig. thick- 

 toed.] 



thterodactylum, King, 1845, Am. Jour. 

 Sci., vol. 48, Coal Meas. [Sig. hinge- 

 toed.) 

 Thenakopus, King, 1846, Am. Jour. Sci., vol. 

 48. [Ety. thenaros, palm of the hand ; 

 pmis, foot.] 



heterodactvlus. King, 1845, Am. Jour. 

 Sci., vol. 48, Coal Meas. [Sig. irreg- 

 ular-toed.] 



leptodactylus. King, 1846, Proc. Acad. 

 Nat. Sci., vol. 2, Coal Meas. [Sig. 

 slender-toed.] 



ovoidactylus, King, 1846, Proc. Acad. 



Nat. Sci., vol. 48, Coal Meas. [;Sig. 



ovoid-toed.] 

 pachydactylus. King, 1846, Proc. Acad. 



Nat. Sci., vol. 48, Coal Meas. [Sig. 



thick-toed.] 

 sphserodactylus. King, 1846, Proc. Acad. 



Nat. Sci., vol. 48, Coal Meas. [Sig. 



spherical-toed.] 

 Thyksidium, Cope, 1875, Ohio Pal., vol. 2. 



[Ety. thyrsos, light shaft.] 

 fasciculare. Cope, 1875, Ohio Pal., vol. 2, 



Coal Meas. [Sig. a small bundle.] 

 TuDiTANUs, Cope, 1871, Proc. Am. Phil. Soc. 



[Ety. proper name.] 

 brevirostris. Cope, 1874, Trans. Am. Phil. 



Soc. J Coal Meas. [Sig. short-beaked.] 

 huxleyi. Cope, 1874, Trans. Am. Phil. 



Soc, Coal Meas. [Ety. proper name.] 

 longipes, Cope, 1874, (Sauropleura lon- 



gipes) Trans. Am. Phil. Soc, Coal 



Meas. [Sig. long-footed.] 

 mordax. Cope, 1875, Ohio Pal., vol. 2, 



Coal Meas. [Sig. given to biting.] 

 obtusus. Cope, 1868, Proc. Acad. Nat. 



Sci. Phil., Coal Meas. [Sig. obtuse.] 

 punctulatus. Cope, 1874, Trans. Am. 



Phil. Soc, Coal Meas. [Sig. well 



punctured.] 

 radiatus. Cope, 1874, Trans. Am. Phil. 



Soc, Coal Meas. [Sig. radiating from 



a point.] 



